A scorpion can hold its breath for up to 6 days.
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The colossal squid has the largest eyes in the world.
4
Only 3% of bird species have penises.
0
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Dolphins have names for one another.
18
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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